Radeon R9 M290X and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon R9 M290X vs Radeon R7 250
Radeon R9 M290X
3360
Radeon R7 250
1100
Radeon R9 M290X
Radeon R7 250
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Neptune
Oland XT
Market segment
Laptop
Desktop
Release date
January 2014
October 2013
Bus support
PCIe 3.0 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
N/A
Boost clock speed
900 MHz
1050 MHz
Compute units
20
-
Core clock speed
850 MHz
-
Floating-point performance
2,304 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
950 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
100 Watt
75 Watt
Texture fill rate
72.00
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
1150 MHz
Memory bandwidth
153.6 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
-
+
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 12
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.1
5.1
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
DualGraphics
1
-
Enduro
-
-
FreeSync
1
1
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-